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AISI Type 633 |
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| Category | Steel |
| Class | Stainless steel |
| Type | Precipitation-hardening nonstandard |
| Common Names | Chromium steel |
| Designations |
United States: AMS 5546 , AMS 5548 , AMS 5554 , AMS 5745 , AMS 5774 , AMS 5775 , ASTM A579 (grade 61) , ASTM A693 , SAE J467 (AM-350) , UNS S35000
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| Composition |
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| Element | Weight % |
| C |
0.07-0.11 |
| Mn |
0.5-1.25 |
| Si |
0.50 |
| Cr |
16.0-17.0 |
| Ni |
4.0-5.0 |
| P |
0.04 |
| S |
0.03 |
| Mo |
2.5-3.25 |
| N |
0.07-0.13 |
| Mechanical Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Density (×1000 kg/m3) |
7.7-8.03
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25 |
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| Poisson's Ratio |
0.27-0.30 |
25 |
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| Elastic Modulus (GPa) |
190-210
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25 |
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| Tensile Strength (Mpa) |
1105 |
25 |
annealed more |
| Yield Strength (Mpa) |
415 |
| Elongation (%) |
30 |
| Reduction in Area (%) |
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| Hardness (HRB) |
95 |
25 |
annealed more |
| Thermal Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Thermal Expansion (10-6/ºC) |
11.3 |
20-100 more |
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| Thermal Conductivity (W/m-K) |
14.5 |
38 more |
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| Electric Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Electric Resistivity (10-9W-m) |
79 |
27 more |
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